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STMicroelectronics TS1220-600T
- Part No.:
- TS1220-600T
- Manufacturer:
- STMicroelectronics
- Category:
- SCRs
- Package:
- TO-220-3
- Datasheet:
-
TS1220-600T.pdf
- Description:
- SCR 600V 12A TO220AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,155
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Product details
Overview
TS1220-600T from STMicroelectronics is a sensitive 12 A, 600 V silicon-controlled rectifier (SCR) in TO-220AB package, with 200 µA gate trigger current, 1.6 V on-state voltage at 24 A, and 50 A/µs critical dI/dt rating. It serves as a high-sensitivity AC/DC power switch in capacitive ignition, motor drive, and gas ignitor circuits.
For engineers reviewing the TS1220-600T datasheet, TS1220-600T pinout, TS1220-600T application, or TS1220-600T equivalent, key selection criteria include low IGT (200 µA), robust dV/dt immunity (5 V/µs min), thermal resistance (1.3 °C/W j-c), IT(RMS) = 12 A, and TO-220AB mechanical compatibility for heatsink-mounted industrial switching.
Technical Context
The TS1220-600T is a gate-triggered thyristor optimized for low-power control signal interfacing - its 200 µA IGT enables direct drive from microcontrollers or optocouplers without amplification. It operates with 0.8 V maximum gate trigger voltage and maintains holding current ≤5 mA across -40 to +125 °C junction temperature.
Designed for phase-control and crowbar protection, it delivers 115 A non-repetitive surge capability (8.3 ms), 60 A²s I²t rating, and 1.3 °C/W junction-to-case thermal resistance in TO-220AB, enabling reliable conduction under pulsed load conditions in motor and ignition applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(RMS) | 12 A - Sustains continuous RMS current up to 12 A at Tc = 105 °C, suitable for 1 kW+ resistive/inductive loads. |
| VDRM / VRRM | 600 V - Blocks repetitive peak off-state voltage up to 600 V, compatible with 230 VAC mains with safety margin. |
| IGT | 200 µA max - Enables direct triggering from low-current sources (e.g., MCU GPIO or PC817 output), reducing external driver complexity. |
| dI/dt (critical) | 50 A/µs - Resists false turn-on during fast current transients, critical in inductive motor commutation. |
| Rth(j-c) | 1.3 °C/W - Enables efficient heat transfer to heatsink; supports >10 W dissipation at ΔT = 13 °C case-to-junction rise. |
| VTM | 1.6 V max at 24 A - Low conduction loss reduces thermal stress and improves system efficiency in high-duty-cycle operation. |
| dV/dt (min) | 5 V/µs at Tj = 125 °C - Ensures noise immunity in electrically noisy environments like power tools and kitchen appliances. |
Pinout & Package
TS1220-600T uses the standard TO-220AB package (3-pin, vertical mounting, isolated tab). The metal tab is electrically connected to the Anode (A), requiring insulating mounting hardware when Anode is not at chassis potential.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Main current entry terminal | Connected to high-side AC/DC supply; tab is tied to Anode - must be electrically isolated if chassis-grounded. |
| Cathode (K) | Main current exit terminal | Reference return path; typically tied to load ground or neutral; defines common reference for gate drive. |
| Gate (G) | Control input terminal | Receives low-energy trigger pulse (≥200 µA); polarity-sensitive (positive w.r.t. cathode); requires RGK ≤1 kΩ for reliable turn-on. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low gate trigger current | 200 µA max - eliminates need for gate driver stages, enabling direct MCU/optocoupler interface. |
| High dV/dt immunity | 5 V/µs minimum at 125 °C - prevents spurious turn-on in EMI-prone motor and ignition circuits. |
| Robust surge capability | 115 A non-repetitive surge (8.3 ms) - withstands inrush and short-circuit transients in power tool startup. |
| ECOPACK®2 compliance | Lead-free plating and halogen-free molding compound - meets RoHS and ELV requirements for global industrial deployment. |
| Thermal performance | 1.3 °C/W junction-to-case - supports stable operation at full 12 A RMS with modest heatsinking (e.g., 20 cm² aluminum). |
Applications
| Capacitive Ignition System | DC Brush Motor Drive |
|---|---|
Use Scenario: High-voltage spark generation in motorcycle or small-engine ignition via capacitor discharge through primary coil. IC Role / Device Role / Timing Role: SCR acts as fast, high-voltage switch releasing stored energy into ignition coil primary winding. Use Value: 200 µA IGT allows compact, low-power trigger circuitry; 600 V VDRM ensures safe blocking of flyback voltage spikes. | Use Scenario: Bidirectional speed control of brushed DC motors in cordless power tools or blenders. IC Role / Device Role / Timing Role: Phase-angle controlled AC line switch regulating average motor voltage and torque. Use Value: 12 A IT(RMS) handles stall currents; 50 A/µs dI/dt rating prevents commutation failure during rapid direction reversal. |
| Gas Ignitor Circuit | Battery Charger Regulator Driver |
Use Scenario: Repetitive high-energy spark generation for gas furnace or stove pilot light ignition. IC Role / Device Role / Timing Role: SCR switches high-voltage pulse transformer primary to generate 10–15 kV secondary spark. Use Value: 115 A surge rating tolerates repeated capacitor discharge pulses; TO-220AB package enables mechanical robustness and thermal stability. | Use Scenario: Overvoltage crowbar protection in linear battery chargers to disconnect transformer secondary upon regulation failure. IC Role / Device Role / Timing Role: SCR latches ON during overvoltage event, shorting regulator output to trigger fuse or shutdown. Use Value: 5 mA IH ensures reliable latching once triggered; 60 A²s I²t rating coordinates with fast-acting fuses for safe fault clearing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SCR switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST1220-600B | DPAK package (Rth(j-c) = 1.3 °C/W same), lower mass (0.3 g), no isolated tab | Suitable for PCB-mounted, space-constrained, low-thermal-mass designs; not for chassis-connected heatsinks | Select when board-level integration and automated assembly (SMT) are prioritized over field-serviceable heatsinking. |
| Littelfuse S4012L | 12 A/600 V, IGT = 50 mA (250× higher), TO-220AB, non-sensitive grade | Requires dedicated gate driver; unsuitable for direct MCU/opto drive; better for high-noise industrial panels | Choose only when gate drive circuitry already exists and sensitivity is not required - avoids overdesign risk. |
Compared with ST1220-600B and S4012L, TS1220-600T uniquely balances ultra-low IGT, TO-220AB mechanical ruggedness, and certified ECOPACK®2 compliance - making it optimal for cost-sensitive, high-volume consumer appliance and motorcycle ignition systems requiring minimal external components.
Availability
TS1220-600T is available at Aetrix Electronics and suitable for capacitive ignition systems, DC brush motor drives, gas ignitors, and battery charger crowbar protection requiring stable component supply and long-term industrial availability.
Supply support for TS1220-600T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, power, MCU, and sensor solutions for automotive, industrial, and consumer markets.
The TS1220 series belongs to ST's high-sensitivity SCR product line, engineered specifically for low-power gate drive applications in motor control, ignition, and protection circuits where minimal trigger energy and robust transient immunity are essential.
FAQ
What is the maximum junction temperature for continuous operation?
The TS1220-600T has an operating junction temperature range of -40 to +125 °C. Continuous operation at Tj = 125 °C is permitted when case temperature is maintained at ≤105 °C per IT(RMS) derating curves in the datasheet, and thermal design accounts for Rth(j-c) = 1.3 °C/W and heatsink interface resistance.
Can TS1220-600T be used in AC phase-control dimmers?
Yes - its 600 V VDRM, 12 A IT(RMS), and 5 V/µs dV/dt rating make it suitable for leading-edge phase-control dimmers driving resistive or inductive loads up to ~2.5 kW at 230 VAC. Gate timing must ensure ≥100 ns pulse width and avoid operation near zero-crossing to prevent misfiring.
Is the TO-220AB tab electrically isolated?
No - the metal tab of the TS1220-600T TO-220AB package is internally connected to the Anode (A) terminal. Electrical isolation from the heatsink or chassis requires a mica or polymer insulator kit plus shoulder washer, and dielectric thermal paste to maintain thermal performance without shorting.
Does TS1220-600T support bidirectional current flow?
No - it is a unidirectional SCR. Current flows only from Anode to Cathode when triggered; reverse conduction is blocked up to VRRM = 600 V. For AC line switching, it must be used in conjunction with a back-to-back configuration or paired with a diode for half-wave control - unlike TRIACs, it cannot conduct in both directions.
TS1220-600T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Voltage - Off State:
- 600 V
- Voltage - Gate Trigger (Vgt) (Max):
- 800 mV
- Current - Gate Trigger (Igt) (Max):
- 200 µA
- Voltage - On State (Vtm) (Max):
- 1.6 V
- Current - On State (It (AV)) (Max):
- 8 A
- Current - On State (It (RMS)) (Max):
- 12 A
- Current - Hold (Ih) (Max):
- 5 mA
- Current - Off State (Max):
- 5 µA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 110A, 115A
- SCR Type:
- Sensitive Gate
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
TS1220-600T FAQ
1.How can I place an order for TS1220-600T through Aetrix?
Please submit a Request for Quotation (RFQ) for TS1220-600T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TS1220-600T reliable?
The price and inventory of TS1220-600T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TS1220-600T is usually 5 days.
3.What payment methods are accepted for TS1220-600T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TS1220-600T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TS1220-600T?
TS1220-600T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TS1220-600T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TS1220-600T?
For technical support, including TS1220-600T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TS1220-600T requirements.
6.How does Aetrix verify that TS1220-600T is sourced from the original manufacturer or authorized distributors?
All TS1220-600T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TS1220-600T meets industry standards.
7.What is the process for return or replacement of TS1220-600T?
All TS1220-600T units undergo pre-shipment inspection (PSI). If there is an issue with TS1220-600T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TS1220-600T part is unused and in its original packaging.
Return procedure for TS1220-600T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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